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/**
* @file prf.c
*
* @brief Generic constructor for all prf_t
*
*/
/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "prf.h"
#include <crypto/hashers/hasher.h>
#include <crypto/prfs/hmac_prf.h>
#include <crypto/prfs/fips_prf.h>
ENUM_BEGIN(pseudo_random_function_names, PRF_UNDEFINED, PRF_FIPS_DES,
"PRF_UNDEFINED",
"PRF_FIPS_SHA1_160",
"PRF_FIPS_DES");
ENUM_NEXT(pseudo_random_function_names, PRF_HMAC_MD5, PRF_HMAC_SHA2_512, PRF_FIPS_DES,
"PRF_HMAC_MD5",
"PRF_HMAC_SHA1",
"PRF_HMAC_TIGER",
"PRF_AES128_CBC",
"PRF_HMAC_SHA2_256",
"PRF_HMAC_SHA2_384",
"PRF_HMAC_SHA2_512");
ENUM_END(pseudo_random_function_names, PRF_HMAC_SHA2_512);
/*
* Described in header.
*/
prf_t *prf_create(pseudo_random_function_t pseudo_random_function)
{
switch (pseudo_random_function)
{
case PRF_HMAC_SHA1:
return (prf_t*)hmac_prf_create(HASH_SHA1);
case PRF_HMAC_MD5:
return (prf_t*)hmac_prf_create(HASH_MD5);
case PRF_HMAC_SHA2_256:
return (prf_t*)hmac_prf_create(HASH_SHA256);
case PRF_HMAC_SHA2_384:
return (prf_t*)hmac_prf_create(HASH_SHA384);
case PRF_HMAC_SHA2_512:
return (prf_t*)hmac_prf_create(HASH_SHA512);
case PRF_FIPS_SHA1_160:
return (prf_t*)fips_prf_create(20, g_sha1);
case PRF_FIPS_DES:
case PRF_HMAC_TIGER:
case PRF_AES128_CBC:
default:
return NULL;
}
}
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